Daikin ERLA03DAV3 - To Connect the Refrigerant Piping to the Outdoor Unit

8 | Piping installation
Installer reference guide
70
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
Counterclockwise to open
Clockwise to close
3 When the stop valve CANNOT be turned any further, stop turning.
4 Install the stop valve cover.
Result: The valve is now open/closed.
To handle the stem cap
▪ The stem cap is sealed where indicated with the arrow. Do NOT damage it.
▪ After handling the stop valve, tighten the stem cap, and check for refrigerant
leaks.
Item Tightening torque (N∙m)
Stem cap, liquid side 14.2~17.2
Stem cap, gas side 22~28
To handle the service cap
▪ ALWAYS use a charge hose equipped with a valve depressor pin, since the service
port is a Schrader type valve.
▪ After handling the service port, tighten the service port cap, and check for
refrigerant leaks.
Item Tightening torque (N∙m)
Service port cap 11~14
8.2.8 To connect the refrigerant piping to the outdoor unit
▪ Piping length. Keep field piping as short as possible.
▪ Piping protection. Protect the field piping against physical damage.
1 Connect the liquid refrigerant connection from the indoor unit to the liquid
stop valve of the outdoor unit.
a
c
b
a Liquid stop valve
b Gas stop valve
c Service port